AT321374B - Circuit arrangement for a voice circuit for centrally fed subscriber stations - Google Patents

Circuit arrangement for a voice circuit for centrally fed subscriber stations

Info

Publication number: AT321374B
Authority: AT; Austria
Prior art keywords: circuit; subscriber stations; voice; centrally fed; circuit arrangement
Prior art date: 1971-09-30

Application number

AT798472A

Other languages

German (de)

Original Assignee

Siemens Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1971-09-30

Filing date

1972-09-18

Publication date

1975-03-25

1972-09-18 Application filed by Siemens Ag filed Critical Siemens Ag

1975-03-25 Application granted granted Critical

1975-03-25 Publication of AT321374B publication Critical patent/AT321374B/en

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Devices For Supply Of Signal Current (AREA)

AT798472A 1971-09-30 1972-09-18 Circuit arrangement for a voice circuit for centrally fed subscriber stations AT321374B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712148929 DE2148929B2 (en)	1971-09-30	1971-09-30	Monolithically integrable circuit arrangement for a speech circuit for centrally fed subscriber stations with a hearing amplifier and a microphone amplifier

Publications (1)

Publication Number	Publication Date
AT321374B true AT321374B (en)	1975-03-25

Family

ID=5821117

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT798472A AT321374B (en)	1971-09-30	1972-09-18	Circuit arrangement for a voice circuit for centrally fed subscriber stations

Country Status (11)

Country	Link
JP (1)	JPS4843809A (en)
AT (1)	AT321374B (en)
BE (1)	BE789514A (en)
CH (1)	CH548714A (en)
DE (1)	DE2148929B2 (en)
FR (1)	FR2155372A5 (en)
GB (1)	GB1407216A (en)
IT (1)	IT967956B (en)
LU (1)	LU66185A1 (en)
NL (1)	NL7213094A (en)
SE (1)	SE381791B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4071713A (en) *	1976-12-27	1978-01-31	Northern Telecom Limited	Telephone speech network
DE3309822C2 (en) *	1983-03-18	1985-11-14	Siemens AG, 1000 Berlin und 8000 München	Hybrid circuit for a centrally fed subscriber station
AT397325B (en) *	1992-05-25	1994-03-25	Akg Akustische Kino Geraete	CIRCUIT FORMED FROM TWO OPERATIONAL AMPLIFIERS FOR A PARTICIPANT INTERCOM

0
- BE BE789514D patent/BE789514A/en unknown
1971
- 1971-09-30 DE DE19712148929 patent/DE2148929B2/en not_active Withdrawn
1972
- 1972-08-29 CH CH1270772A patent/CH548714A/en not_active IP Right Cessation
- 1972-09-18 AT AT798472A patent/AT321374B/en active
- 1972-09-21 GB GB4370672A patent/GB1407216A/en not_active Expired
- 1972-09-27 NL NL7213094A patent/NL7213094A/xx unknown
- 1972-09-27 FR FR7234097A patent/FR2155372A5/fr not_active Expired
- 1972-09-28 LU LU66185D patent/LU66185A1/xx unknown
- 1972-09-28 IT IT2980272A patent/IT967956B/en active
- 1972-09-28 JP JP9763272A patent/JPS4843809A/ja active Pending
- 1972-09-29 SE SE1266872A patent/SE381791B/en unknown

Also Published As

Publication number	Publication date
JPS4843809A (en)	1973-06-25
GB1407216A (en)	1975-09-24
SE381791B (en)	1975-12-15
NL7213094A (en)	1973-04-03
IT967956B (en)	1974-03-11
LU66185A1 (en)	1973-01-17
DE2148929A1 (en)	1973-04-05
BE789514A (en)	1973-03-29
DE2148929B2 (en)	1974-06-06
CH548714A (en)	1974-04-30
FR2155372A5 (en)	1973-05-18

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